Toshiba 400CS User Manual page 9

1.3 3.5-inch Floppy Disk Drive
The 400 series 3.5-inch Floppy Disk Drive (FDD) is a thin, high-performance reliable drive
that supports 720-KB (formatted) 2DD and 1.44-MB (formatted) 2HD 3.5-inch floppy disks.
The 400 series FDD is shown in figure 1-4.
The specifications for the FDD are listed in table 1-1.
Storage capacity (KB)
Unformatted
Formatted
Number of heads
Number of cylinders
Access time (ms)
Track to track
Average
Head settling time
Recording track density (tpi)
Data transfer rate (Kbps)
Rotation speed (rpm)
Recording method
400 Series
Figure 1-4 3.5-inch FDD
Table 1-1 3.5-inch FDD specifications
Item 2-MB mode 1-MB mode
2,000
1,311
2
80
3
181
15
135
500
300
Modified Frequency Modulation (MFM)
1,000
737
2
80
3
181
15
135
250
300
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